Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin

Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly Larva Limnephilus (Summer Flier Sedge) Caddisfly Larva

Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River in Washington

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27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.

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Not Capniidae

Taeniopterygidae (Willowfly) Stonefly Adult

7 Pictures

Collected March 28, 2006 from Salmon Creek in New York

Added by Troutnut on April 7, 2006

Collected March 28, 2006 from Salmon Creek in New York and added by Troutnut on April 7, 2006

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Oct 8, 2006October 8th, 2006, 2:56 pm EDT

This is a member of the Taeniopterygidae--the first and second tarsal segments are about equal in length.

Troutnut

Administrator
Bellevue, WA

Posts: 2758

Troutnut on Oct 8, 2006October 8th, 2006, 4:54 pm EDT

Thanks for catching the mistake. I'm not sure why I called it Capniidae -- probably the size. I think it was very small, but it's kind of hard to remember that many bugs ago.

Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

Hex MayfliesHexagenia limbata

Troutnut Forum › Specimen Discussion › Not Capniidae